package org.jeecgframework.core.filter;

import org.jeecgframework.core.util.MyRequestWrapper;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class CORSFilter implements Filter {

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {

	}

	@Override
	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain chain) throws IOException, ServletException {
		HttpServletResponse response = (HttpServletResponse) servletResponse;
		HttpServletRequest request = (HttpServletRequest) servletRequest;
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "GET,POST,HEAD,PUT,DELETE");
        response.setHeader("Access-Control-Max-Age", "3600");
        response.setHeader("Access-Control-Allow-Headers", "Accept,Origin,X-Requested-With,Content-Type,X-Auth-Token,Accept,Appkey");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        MyRequestWrapper myrequest = new MyRequestWrapper(request);
        myrequest.setResponse(response);
        chain.doFilter(myrequest, response);

	}

	@Override
	public void destroy() {

	}

}
